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WORK & ENERGY REVIEWChapter 6
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A SPEEDOMETER MEASURES?SPEED
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THE TENDENCY OF A MOVING OBJECT TO STAY IN MOTION IS CALLED?
INERTIA
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A MACHINE IS?Anything that makes work easier.
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AN EXAMPLE OF KINETIC ENERGY.A ball rolling
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ENERGY THAT RESULTS FROM A CHEMICAL CHANGE?Chemical energy
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3 THINGS THAT CHEMICAL ENERGY IS FOUND IN?1. Batteries2. Gasoline3. Food
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WORK IS…?The result of a forcemoving an object.
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STORED ENERGY IS CALLED?Potential energy
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A FORCE THAT PULLS TWO OBJECTS TOGETHER?Gravity
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A MACHINE WITH MANY MOVING PARTS THAT HAS LOW EFFICIENCY? Complex machine
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ANYTHING THAT DOES WORK USES?Energy
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WHEN A MOVING OBJECT RUBS AGAINST SOMETHING, ITS MOTION SLOWS DOWN BECAUSE OF THE FORCE?Friction
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AN AXE IS AN EXAMPLE OF?Compound machine
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WHAT IS A SIMPLE MACHINE?A machine that has only one or two moving parts.
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HIGH EFFICIENCY MEANS A LOT OF WORK IS DONE FOR THE AMOUNT OF _______ _________Energy Used
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NAME THE SIMPLE MACHINES:PULLEY, SCREW, INCLINED PLANE,
LEVER, OR WHEEL AND AXLE
Inclined plane
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NAME THE SIMPLE MACHINES:PULLEY, SCREW, INCLINED PLANE,
LEVER, OR WHEEL AND AXLE
Wheel & Axle
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NAME THE SIMPLE MACHINES:PULLEY, SCREW, INCLINED PLANE,
LEVER, OR WHEEL AND AXLE
Lever
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NAME THE SIMPLE MACHINES:PULLEY, SCREW, INCLINED PLANE,
LEVER, OR WHEEL AND AXLE
Pulley
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NAME THE SIMPLE MACHINES:PULLEY, SCREW, INCLINED PLANE,
LEVER, OR WHEEL AND AXLE
Wedge